MHT CET 2026 Chemistry question

Which of the following reactions has overall order 1.5 ?

(A)
(B)
(C)\mathrm{CH_3CHO_{(g)} \longrightarrow CH_{4(g)} + CO_{(g)}}Correct
(D)

Answer: (C)

Solution

Order must be found from the experimental rate law, not from the stoichiometric coefficients. (A) Decomposition of : rate , first order. (B) : rate , second order. (C) Thermal

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Question ID VK-100433